fix(cli): support passing cli arguments under deno eval (#8547)

Fixes #8538

cli/flags.rs

@@ -464,9 +464,19 @@ fn eval_parse(flags: &mut Flags, matches: &clap::ArgMatches) {
   flags.allow_write = true;
   flags.allow_plugin = true;
   flags.allow_hrtime = true;
-  let code = matches.value_of("code").unwrap().to_string();
   let as_typescript = matches.is_present("ts");
   let print = matches.is_present("print");
+  let mut code: Vec<String> = matches
+    .values_of("code_arg")
+    .unwrap()
+    .map(String::from)
+    .collect();
+  assert!(!code.is_empty());
+  let code_args = code.split_off(1);
+  let code = code[0].to_string();
+  for v in code_args {
+    flags.argv.push(v);
+  }
   flags.subcommand = DenoSubcommand::Eval {
     print,
     code,
@@ -855,7 +865,13 @@ This command has implicit access to all permissions (--allow-all).",
         .takes_value(false)
         .multiple(false),
     )
-    .arg(Arg::with_name("code").takes_value(true).required(true))
+    .arg(
+      Arg::with_name("code_arg")
+        .multiple(true)
+        .help("Code arg")
+        .value_name("CODE_ARG")
+        .required(true),
+    )
 }
 
 fn info_subcommand<'a, 'b>() -> App<'a, 'b> {
@@ -2204,6 +2220,36 @@ mod tests {
     );
   }
 
+  #[test]
+  fn eval_args() {
+    let r = flags_from_vec_safe(svec![
+      "deno",
+      "eval",
+      "console.log(Deno.args)",
+      "arg1",
+      "arg2"
+    ]);
+    assert_eq!(
+      r.unwrap(),
+      Flags {
+        subcommand: DenoSubcommand::Eval {
+          print: false,
+          code: "console.log(Deno.args)".to_string(),
+          as_typescript: false,
+        },
+        argv: svec!["arg1", "arg2"],
+        allow_net: true,
+        allow_env: true,
+        allow_run: true,
+        allow_read: true,
+        allow_write: true,
+        allow_plugin: true,
+        allow_hrtime: true,
+        ..Flags::default()
+      }
+    );
+  }
+
   #[test]
   fn repl() {
     let r = flags_from_vec_safe(svec!["deno"]);